bump version into v0.5.0

Signed-off-by: Sun, Xuehao <[email protected]>

Author: XuehaoSun

MANIFEST.in

@@ -1,4 +1,4 @@
 include requirements.txt
 include requirements-cpu.txt
-include requirements-gpu.txt
 include requirements-lib.txt
+exclude test/*

README.md

@@ -6,7 +6,7 @@ AutoRound
 <h3> Advanced Quantization Algorithm for LLMs</h3>
 
 [![python](https://img.shields.io/badge/python-3.9%2B-blue)](https://github.com/intel/auto-round)
-[![version](https://img.shields.io/badge/release-0.4.6-green)](https://github.com/intel/auto-round)
+[![version](https://img.shields.io/badge/release-0.5.0-green)](https://github.com/intel/auto-round)
 [![license](https://img.shields.io/badge/license-Apache%202-9C27B0)](https://github.com/intel/auto-round/blob/main/LICENSE)
 <a href="https://huggingface.co/OPEA">
 <img alt="Model Checkpoints" src="https://img.shields.io/badge/%F0%9F%A4%97%20HF-Models-F57C00">